Gamochaeta sphacelata, the owl's crown, is a species of flowering plant in the family Asteraceae. It is widespread across South America, Central America, and Mexico with the distribution just barely crossing the Río Grande into western Texas.Guy L. Nesom 2004. New distribution records for Gamochaeta (Asteraceae: Gnaphalieae) in the United States. Sida 21(2): 1175–1185.Biota of North America Program 2014 county distribution map
Gamochaeta sphacelata is an annual herb up to tall. Leaves are long and narrow, up to long. The plant forms many small flower heads in elongated arrays. Each head contains 3–5 purple disc flowers but no ray flowers.Flora of North America, Gamochaeta sphacelata (Kunth) Cabrera, 1961. Owl’s crown
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